As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OTH - FLIGHT 2208 - WHEN AUTOPILOT SELECTED OFF DURING DESCENT AIRCRAFT IMMEDIATELY ROLLED RIGHT. TOOK 1/2 AILERON TRIM TO LEVEL. ROLL CONTROL FEELS SLUGGISH AND STIFF. AIRCRAFT LANDED SAFELY. RIGGED ADJUSTABLE TAB PER DHC-8 MM 27-13-00-830-801. NO PARTS REPLACED. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.